fix(form-data): upgrade to >=4.0.6 across pnpm workspaces (CVE-2026-12143)

Adds a pnpm override forcing form-data >=4.0.6 in all five workspaces that resolved the vulnerable transitive
  form-data@4.0.5 (CVE-2026-12143, GHSA-hmw2-7cc7-3qxx — CRLF injection via unescaped multipart field names/filenames). Override added to pnpm-workspace.yaml everywhere, and also to package.json pnpm.overrides for the workspaces whose CI pnpm version reads it (mem0-ts,
  openmemory/ui, pi-agent-plugin, openclaw). Lockfiles regenerated with each workspace's CI pnpm version; only form-data changes.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

integrations/pi-agent-plugin/package.json

@@ -71,6 +71,7 @@
   },
   "pnpm": {
     "overrides": {
+      "form-data@<4.0.6": ">=4.0.6",
       "uuid@<11.1.1": ">=11.1.1",
       "esbuild": ">=0.28.1"
     }